Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/X86/fma-do-not-commute.ll

@@ -1,30 +0,0 @@
-; RUN: llc -fp-contract=fast -mattr=+fma -disable-cgp < %s -o - | FileCheck %s
-; Check that the 2nd and 3rd arguments of fmaXXX231 reg1, reg2, mem3 are not commuted.
-; <rdar://problem/16800495> 
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx"
-
-; CHECK-LABEL: test1:
-; %arg lives in xmm0 and it shouldn't be redefined until it is used in the FMA.
-; CHECK-NOT: {{.*}}, %xmm0
-; %addr lives in rdi.
-; %addr2 lives in rsi.
-; CHECK: vmovss (%rdi), [[ADDR:%xmm[0-9]+]]
-; The assembly syntax is in the reverse order.
-; CHECK: vfmadd231ss (%rsi), [[ADDR]], %xmm0
-define void @test1(float* %addr, float* %addr2, float %arg) {
-entry:
-  br label %loop
-
-loop:
-  %sum0 = phi float [ %fma, %loop ], [ %arg, %entry ]
-  %addrVal = load float, float* %addr, align 4
-  %addr2Val = load float, float* %addr2, align 4
-  %fmul = fmul float %addrVal, %addr2Val
-  %fma = fadd float %sum0, %fmul
-  br i1 true, label %exit, label %loop
-
-exit:
-  store float %fma, float* %addr, align 4
-  ret void
-}